Chair



FIG. 1 is a front elevation of a chair;

FIG. 2 is a rear elevation of a chair;

FIG. 3 is a bottom view of a chair;

FIG. 4 is a top view of a chair; and,

FIG. 5 is a right side elevation of a chair, and the left side elevation is a mirror image thereof. 

The ornamental design for a “chair,” as shown and described. 